public class PersonTest {
    public void eat(){
        System.out.println("吃饭");
    }

    public void sleep(int hour){
        System.out.println("每天睡眠" + hour + "小时");
    }

    public String interests(String hooby){
        String info = "我的爱好是" + hooby;
        System.out.println(info);
        return info;
    }

    public int getAge( int age){
        return age;
    }

}
